获取网站缩略图代码

1、获取网站缩略图代码先看界面效果图：最终运行得出的图如下：页面代码：* 最好能保留该信息_* 也欢迎大家访问我的博客* Http:/*/using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using Utility;using System.Threading;using System.Text.RegularExpressions;n

2、amespace WindowsFormsApplication1publicpartialclass Form1 : Formpublic Form1()InitializeComponent();privatevoid button1_Click(object sender, EventArgs e)if (string.IsNullOrEmpty(this.textBox1.Text)MessageBox.Show(请输入要截图的网址！);return;Regex r = new Regex(http:/(w-+.)+w-+(/w- ./?%&=*)?); if (r.IsMatch(t

3、his.textBox1.Text)if (string.IsNullOrEmpty(this.textBox2.Text)MessageBox.Show(请选择要保存的目录！);return;if (string.IsNullOrEmpty(this.textBox3.Text)MessageBox.Show(请输入要保存的文件名！);return;tryGetWebImage240);Bitmap bi = gwi.GetBitmap();bi.Save(this.textBox2.Text.Trim() + + this.textBox3.Text.Trim();System.Diagn

4、ostics.Process.Start(this.textBox2.Text.Trim()+this.textBox3.Text.Trim();catch (Exception ex)MessageBox.Show(ex.Message);elseMessageBox.Show(请输入正确的网址！);return;privatevoid button2_Click(object sender, EventArgs e)folderBrowserDialog1.ShowDialog(this);this.textBox2.Text = folderBrowserDialog1.Selected

5、Path;gwi = new GetWebImage(this.textBox1.Text, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, 320,另外还在启动时做了特别处理。看代码：5* 2010年8月最后一天6* 欢迎修改和传播7* 最好能保留该信息_8* 也欢迎大家访问我的博客9* Http:/10*11*/12 using System;13 using System.Collections.Generic;14 using System.Windows.Forms;15 using Uti

6、lity;16 using System.Drawing;17 using System.Text.RegularExpressions;1819 namespace WindowsFormsApplication12021staticclass Program2223/24/应用程序的主入口点。25/ex: a.exe c: a.bmp 320 340 on26/27 STAThread28staticvoid Main(string args)2930if (args.Length = 6)3132Regex r = new Regex(http:/(w-+.)+w-+(/w- ./?%&

7、=*)?);33if (r.IsMatch(args0)3435try3637GetWebImage gwi = new GetWebImage(args0, 1024, 768, Convert.ToInt32(args3), Convert.ToInt32(args4);38Bitmap bi = gwi.GetBitmap();39bi.Save(args1 + + args2);40if (args5.Equals(on)4142System.Diagnostics.Process.Start(args1 + + args2);43444546catch (Exception ex)4

8、748MessageBox.Show(ex.Message);495051else5253MessageBox.Show(参数不正确，如： c: a.bmp 320 240 on);545556return;5758elseif (args.Length 0)5960MessageBox.Show(参数不够，如： c: a.bmp 320 240 on);61return;6263Application.EnableVisualStyles(); 64Application.SetCompatibleTextRenderingDefault(false);65Application.Run(n

9、ew Form1();66676869*/using System;using System.Drawing;using System.Drawing.Imaging;using System.Windows.Forms;namespace Utility/ GetImage thumb = new GetImage(url, 1024, 768, 320, 240); /System.Drawing.Bitmap x = thumb.GetBitmap();/x.Save(Response.OutputStream, ImageFormat.Jpeg);/Response.ContentTy

10、pe = image/jpeg;/publicclass GetWebImageint S_Height;int S_Width;int F_Height;int F_Width;string MyURL;publicint ScreenHeightgetreturn S_Height;setS_Height = value;publicint ScreenWidthgetreturn S_Width;setS_Width = value;publicint ImageHeightgetreturn F_Height;setF_Height = value;publicint ImageWid

11、thgetreturn F_Width;setF_Width = value;publicstring WebSitegetreturn MyURL;setMyURL = value;/ Initializes a new instance of the class. /The web site./Width of the screen./Height of the screen./Width of the image./Height of the image.public GetWebImage(string WebSite, int ScreenWidth, int ScreenHeigh

12、t, int ImageWidth, int ImageHeight)this.WebSite = WebSite;this.ScreenHeight = ScreenHeight;this.ScreenWidth = ScreenWidth;this.ImageHeight = ImageHeight;this.ImageWidth = ImageWidth;/ Gets the bitmap./public Bitmap GetBitmap()WebPageBitmap Shot = new WebPageBitmap(this.WebSite, this.ScreenWidth, thi

13、s.ScreenHeight);Shot.GetIt();Bitmap Pic = Shot.DrawBitmap(this.ImageHeight, this.ImageWidth);return Pic;/publicclass WebPageBitmapWebBrowser MyBrowser;string URL;int Height;int Width;/ Initializes a new instance of the class. /The URL./The width./The height.public WebPageBitmap(string url, int width

14、, int height)this.URL = url;this.Width = width;this.Height = height;MyBrowser = new WebBrowser();MyBrowser.ScrollBarsEnabled = false;MyBrowser.Size = new Size(this.Width, this.Height);/ Gets it./publicvoid GetIt()MyBrowser.Navigate(this.URL);while (MyBrowser.ReadyState != WebBrowserReadyState.Comple

15、te)Application.DoEvents();/ Draws the bitmap./The theight./The twidth./public Bitmap DrawBitmap(int theight, int twidth)Bitmap myBitmap = new Bitmap(this.Width, this.Height);Rectangle DrawRect = new Rectangle(0, 0, this.Width, this.Height);MyBrowser.DrawToBitmap(myBitmap, DrawRect);System.Drawing.Im

16、age imgOutput = myBitmap;System.Drawing.BitmapimgOutput.PixelFormat);Graphics g = Graphics.FromImage(oThumbNail);g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed; g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;g.InterpolationModeSystem.Drawing.Drawing2D.InterpolationMode.HighQualityBilinear;=